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Interhemispheric transfalcine approach to a medial frontal arteriovenous malformation: operative video with positioning illustrations.

ABSTRACT: Brain arteriovenous malformations (AVM) are a complex and challenging subset of neurosurgical disease, the optimal treatment of which is nuanced and dependent on numerous patient- and disease-specific factors. Clinical features that may predispose toward resection as front-line treatment include lower grade lesions, particularly those in non-eloquent locations, as well as active pregnancy. In all AVM resections, minimization of risk to exposed healthy brain adjacent to the lesion is a key surgical principle. In this illustrative case report, we discuss the management of a young woman who presented with a new diagnosis of AVM following an intracranial hemorrhage, at which time she was also identified as newly pregnant. Resection via the contralateral transfalcine approach with preoperative embolization was recommended, the intraoperative and postoperative courses proceeded uneventfully, and the patient was cured of her AVM and went on to successfully deliver twins. Recording and description of procedure are shown in Video Case Report.

SUBMITTER: Graffeo CS

PROVIDER: S-EPMC6702427 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BACKGROUND:Pulmonary arteriovenous malformations are abnormal direct connections between the pulmonary artery and pulmonary vein which result in a right-to-left shunt. They are associated with substantial morbidity and mortality mainly from the effects of paradoxical emboli. Potential complications include stroke, cerebral abscess, pulmonary haemorrhage and hypoxaemia. Embolisation is an endovascular intervention based on the occlusion of the feeding arteries the pulmonary arteriovenous malformations thus eliminating the abnormal right-to-left-shunting. This is an update of a previously published review. OBJECTIVES:To determine the efficacy and safety of embolisation in patients with pulmonary arteriovenous malformations including a comparison with surgical resection and different embolisation devices. SEARCH METHODS:We searched the Cystic Fibrosis and Genetic Disorders Group's Trials Register; date of last search: 10 April 2017.We also searched the following databases: the Australian New Zealand Clinical Trials Registry; ClinicalTrials.gov; International Standard Randomised Controlled Trial Number Register; International Clinical Trials Registry Platform Search Portal (last searched 27 August 2017). to be updatedWe checked cross-references and searched references from review articles. SELECTION CRITERIA:Trials in which individuals with pulmonary arteriovenous malformations were randomly allocated to embolisation compared to no treatment, surgical resection or embolisation using a different embolisation device. DATA COLLECTION AND ANALYSIS:Studies identified for potential inclusion were independently assessed for eligibility by two authors, with excluded studies further checked by a third author. No trials were identified for inclusion in the review and hence no analysis was performed. MAIN RESULTS:There were no randomised controlled trials included in the review; one ongoing trial has been identified which may be eligible for inclusion in the future. AUTHORS' CONCLUSIONS:There is no evidence from randomised controlled trials for embolisation of pulmonary arteriovenous malformations. However, randomised controlled trials are not always feasible on ethical grounds. Accumulated data from observational studies suggest that embolisation is a safe procedure which reduces morbidity and mortality. A standardised approach to reporting with long-term follow-up through registry studies can help to strengthen the evidence for embolisation in the absence of randomised controlled trials.

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Interhemispheric transfalcine approach to a medial frontal arteriovenous malformation: operative video with positioning illustrations.

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